<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Dojo
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * Enable Dojo components
 *
 * @package    Zend_Dojo
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Dojo.php 23775 2011-03-01 17:25:24Z ralph $
 */
class Zend_Dojo {
	/**
	 * Base path to AOL CDN
	 */
	const CDN_BASE_AOL = 'http://o.aolcdn.com/dojo/';
	
	/**
	 * Path to dojo on AOL CDN (following version string)
	 */
	const CDN_DOJO_PATH_AOL = '/dojo/dojo.xd.js';
	
	/**
	 * Base path to Google CDN
	 */
	const CDN_BASE_GOOGLE = 'http://ajax.googleapis.com/ajax/libs/dojo/';
	
	/**
	 * Path to dojo on Google CDN (following version string)
	 */
	const CDN_DOJO_PATH_GOOGLE = '/dojo/dojo.xd.js';
	
	/**
	 * Dojo-enable a form instance
	 *
	 * @param  Zend_Form $form
	 * @return void
	 */
	public static function enableForm(Zend_Form $form) {
		$form->addPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator', 'decorator' )->addPrefixPath ( 'Zend_Dojo_Form_Element', 'Zend/Dojo/Form/Element', 'element' )->addElementPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator', 'decorator' )->addDisplayGroupPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator' )->setDefaultDisplayGroupClass ( 'Zend_Dojo_Form_DisplayGroup' );
		
		foreach ( $form->getSubForms () as $subForm ) {
			self::enableForm ( $subForm );
		}
		
		if (null !== ($view = $form->getView ())) {
			self::enableView ( $view );
		}
	}
	
	/**
	 * Dojo-enable a view instance
	 *
	 * @param  Zend_View_Interface $view
	 * @return void
	 */
	public static function enableView(Zend_View_Interface $view) {
		if (false === $view->getPluginLoader ( 'helper' )->getPaths ( 'Zend_Dojo_View_Helper' )) {
			$view->addHelperPath ( 'Zend/Dojo/View/Helper', 'Zend_Dojo_View_Helper' );
		}
	}
}

